# CHANG CHI vs FP2U

The clearest difference is update cadence: FP2U at weekly against CHANG CHI's every 3 weeks. FP2U also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CHANG CHI ships an update every 3 weeks, FP2U weekly. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CHANG CHI | FP2U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 63 MB | 97 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHANG CHI](https://appshunter.io/developer/1690011690) | [FP2U](https://appshunter.io/developer/1789477768) |

## What reviewers say

### CHANG CHI

[App page](https://appshunter.io/ios/app/chang-chi/id6449670494)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### FP2U

[App page](https://appshunter.io/ios/app/fp2u/id6740311913)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is CHANG CHI free?

CHANG CHI is free to download, with no in-app purchases.

### Is FP2U free?

FP2U is free to download, with no in-app purchases.

### Do CHANG CHI or FP2U have ads?

Neither CHANG CHI nor FP2U shows ads.

### Which is updated more often, CHANG CHI or FP2U?

CHANG CHI ships an update every 3 weeks, and FP2U weekly. Most recently, CHANG CHI was updated on September 28, 2026 and FP2U on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*